【判断题】【消耗次数：1】
砌筑炉底前，应预先找平基础。必要时，应在最下一层用砖加工找平。砌筑反拱底前，应用样板找准砌筑弧形拱的基面；斜坡炉底应放线砌筑
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【单选题】
砌筑工程中,砖基础的基础长度计算原则为()
①
外墙和内墙都按中心线长度计算
②
外墙和内墙都按净长线计算
③
外墙按净长线计算,内墙按中心线计算
④
外墙按中心线计算,内墙按净长线计算
【多选题】
耐火砖砌筑的主要技术要求包括（）
①
A.圆形炉墙应以炉壳为导面砌筑
②
B.圆形炉墙不得有三层或三环重缝
③
C.锁砖应按拱和拱顶的中心线对称均匀分布
④
D.吊挂平顶的吊挂砖应从中间向两侧砌筑
随机题目
【单选题】
南方某厂订立有严格的上、下班制度并一直遵照执行。一天深夜突降大雪，给交通带来极大不便，次日早晨便有许多同志上班迟到了，厂长决定对此日的迟到者免于 惩罚。对此，企业内部职工议论纷纷。在下列议论中，你认为哪种说法最有道理?
①
厂长滥用职权。
②
厂长执行管理制度应征询大部分职工的意见。
③
治厂制度又不是厂长一人订的，厂长无权随便变动。
④
规章制度应有一定的灵活性，特殊情况可以特殊处理。
【单选题】
-Id like to buy that coat. -Im sorry. ___.
①
it sold
②
its selling
③
Its been sold
④
it had been sold
【单选题】
The key ___ on the table when I leave.
①
was left
②
will be left
③
is left
④
has been left
【单选题】
阅读理解：阅读下列短文，回答文后问题，选择最佳答案Trees mainly serve man in three important ways: They provide him with wood and other products; they provide him shade; and they help to prevent droughts and floods.Unfortunately, in many parts of the world, man has not realized that the third of these services is the most important．In his eagerness to make money from trees, he has cut them down in large numbers, only to find that without them he has lost the best friends he had. And besides, he is usually too careless to plant and look after new trees. So the forests slowly disappear.This does not only mean that man will have fewer trees. The results are even more serious: for where there are trees, their roots break up soil allowing the rain to sink in and also bind(固定) the soil, thus preventing it from being washed away easily；but where there are no trees, the rain falls on hard ground and flows away, causing floods and carrying away the rich top-soil. When the top-soil is gone, nothing remains but worthless desert.Two thousand years ago，a rich and powerful country cut down its trees to build warships, with which to gain itself an empire．It set up the empire, but, without its trees, its soil became poor and grew weak. When the empire fell to pieces, the home country found itself faced by floods and starvation(饥荒)．5. Which title best fits the passage?
①
A. Trees and Man
②
B. The Function of Tree Wood
③
C. How do People do with Trees?
④
D. The Usage of Tree Roots
【单选题】
Doctors ___ in every part of the world.
①
need
②
are needing
③
are needed
④
will need
【单选题】
The Peoples Republic of China ___ on October 1, 1949.
①
found
②
was founded
③
is founded
④
was found